"Oh." She looks down at her hands, trying not to appear disappointed by the lack of a clear answer. Maybe she can find out once she's awake - ask Aziraphale for more chemistry books or something. She'd feel a little bad for asking for them without specifying why, but she knows it would upset Aziraphale if she started talking about how best to theoretically dispose of her own body.

The Balladeer probably wouldn't want to hear her talk about that, either.

"I've just never heard of someone doing that before," she says, lifting her gaze and trying to look innocuous. In her experience, bodies were left where they fell - human or hungry. There was no time for burials, and they all knew it. "It was different, where I was from."